Statistics of carriers in semiconductors

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Discussion Overview

The discussion revolves around the types of charge carriers in semiconductors, specifically electrons and holes, and their transport and statistical behavior. Participants explore concepts related to carrier transport and carrier statistics, including the Fermi-Dirac statistics relevant to semiconductors.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • Some participants assert that there are two types of charge carriers in semiconductors: electrons, which carry negative charge, and holes, which carry positive charge, while noting that electrons recombine with holes.
  • One participant defines carrier transport as the motion of charge carriers in semiconductors.
  • Participants express uncertainty about the concept of carrier statistics in semiconductors, with one suggesting it relates to Fermi-Dirac statistics.
  • There is a clarification that Fermi-Dirac statistics and Fermi-level are different concepts, with Fermi-level being an energy associated with one of the historical figures, Fermi.

Areas of Agreement / Disagreement

Participants generally agree on the existence of two types of charge carriers but have differing views on the specifics of carrier statistics and the relationship between Fermi-Dirac statistics and Fermi-level. The discussion remains unresolved regarding the full understanding of carrier statistics.

Contextual Notes

Some participants express uncertainty about the definitions and implications of carrier statistics, indicating a need for further clarification on the topic.

vead
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there are two type of charge carrier in semiconductor , one is electron which carry negative charge and other is hole which carry negative charge , electron meet with hole and they recombine , Q1 what is carrier transport

Q2 what is carrier statistics in semiconductor
 
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Those are good questions - to help me help you with them, please tell me how you are thinking about them.
Have a go answering the questions to the best of your ability, remembering that you can look them up online.
 
Simon Bridge said:
Those are good questions - to help me help you with them, please tell me how you are thinking about them.
Have a go answering the questions to the best of your ability, remembering that you can look them up online.

carrier transport mans motion of charge carrier in semiconductor

I don't know about carrier statics in semiconductor
 
vead said:
there are two type of charge carrier in semiconductor , one is electron which carry negative charge and other is hole which carry negative charge , electron meet with hole and they recombine ,

A hole carries positive charge, not negative.

Q1 what is carrier transport

The motion of the two charge carriers.

Q2 what is carrier statistics in semiconductor

Fermi-Dirac.

Zz.
 
ZapperZ said:
A hole carries positive charge, not negative.



The motion of the two charge carriers.



Fermi-Dirac.

Zz.


Fermi-Dirac and Fermi-level are different or same thing
 
vead said:
Fermi-Dirac and Fermi-level are different or same thing
Fermi and Dirac are two people from history.
Fermi-level is an energy that is named after one of them.
Fermi-Dirac statistics are a kind of statistics that you can look up online and in your course notes which is named after the people.
Short answer: different.
 

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